Smelt Preferred water temperature?

[Gatorbater]

First post is there any walleye guru's who kno what water temperature smelt are most comfortable
with an when they move to deeper water? Water temperature is finally rising!

[wallybagger]

Smelt spawn at 43 approximately same as walleye. Spent many years on Chicago & NW Indiana piers netting them b4 they went away. Always starting measuring temps in early March but was usually in April b4 they showed up.

[Gatorbater]

Thanks for the info" Wallybagger" We troll custom crankbaits n wire out of Ashtabula an dont fish western basin as much as needed. Thanks again